int cyttsp4_init(struct cyttsp4_core_platform_data *pdata,
int on, struct device *dev)
{
int rc = 0;
int irq_gpio = pdata->irq_gpio;
if (on) {
pinctrl_init(pdata);
rc = gpio_request(irq_gpio, "TSP_INT");
if(rc < 0){
dev_err(dev, "%s: unable to request TSP_INT\n", __func__);
return rc;
}
gpio_direction_input(irq_gpio);
rc = gpio_request(pdata->avdd_gpio, "TSP_AVDD_gpio");
if(rc < 0){
dev_err(dev, "%s: unable to request TSP_AVDD_gpio\n", __func__);
return rc;
}
rc = gpio_request(pdata->vddo_gpio, "TSP_VDDO_gpio");
if(rc < 0){
dev_err(dev, "%s: unable to request TSP_VDDO_gpio\n", __func__);
return rc;
}
cy_hw_power(pdata, 1, false);
} else {
cy_hw_power(pdata, 0, false);
gpio_free(irq_gpio);
}
dev_info(dev,
"%s: INIT CYTTSP IRQ gpio=%d onoff=%d r=%d\n",
__func__, irq_gpio, on, rc);
return rc;
}
int pin_init(void)
{
int i;
uint32_t v;
/*ctrl pin init*/
pinctrl_init();
/*other pin init*/
for (i = 0; i < sizeof(other)/sizeof(other[0]); i++) {
v = ((other[i].slp_en & 0xF) << 13); /*[16:13]*/
v |= ((other[i].wpus & 1) << 12); /*[12]*/
v |= ((other[i].se & 1) << 11); /*[11]e*/
v |= ((other[i].drv & 7) << 8); /*[10:8]*/
v |= ((other[i].func_wpu_wpd & 3)<< 6); /*[7:6]*/
v |= ((other[i].func_sel & 3) << 4); /*[5:4]*/
v |= ((other[i].slp_wpu_wpd & 3) << 2); /*[3:2]*/
v |= ((other[i].ie_oe & 3) << 0); /*[1:0]*/
__raw_writel(v, CTL_PIN_BASE + other[i].reg);
}
return 0;
}
